package chapter02;

import java.util.Scanner;

public class Example09 {
    public static void main(String[] args) {
       // int grade = 75;//定义学生成绩
        Scanner scl = new Scanner(System.in);
        int grade = scl.nextInt();//输入
        if (grade > 80){
            //满足条件 grade>80
            System.out.println("该成绩的等级为优");
        }else if (grade>70){
            //不满足条件grade>80，但满足条件grade>70
            System.out.println("该成绩的等级为良");
        }else if (grade>60) {
            //不满足条件grade>70，但满足条件grade>60
            System.out.println("该成绩的等级为中");
        }else {
            //不满足条件grade>60
            System.out.println("该成绩的等级为差");
        }
    }
}
